by
🇺🇸
/baɪ/
🇬🇧
/baɪ/
preposition
A1
the method or way something is done
Turn on the light by flipping the switch.
通过翻动开关打开灯。
A1
in close proximity to something
The chair is by the table.
椅子在桌子旁边。
A1
the agent in a passive sentence
The package was sent by my friend.
包裹是我的朋友寄的。
A1
before a certain time
I will be there by 5 o'clock.
我会在五点前到那里。
A2
as a result of
She resigned by mistake.
她误辞职了。
A2
indicating the extent or degree of something
The room is different by a few inches.
房间的尺寸相差几英寸。
A2
during a certain period
We survived by candlelight during the power outage.
在停电期间，我们靠烛光生存。
A2
according to
The law states this by its terms.
法律用其术语规定了这一点。
B1
past a point
She walked by me in silence.
她默默地走过我身边。
B2
indicating the part of the body
He grabbed me by the arm.
他抓住了我的胳膊。
B2
for the purpose of measuring
The fabric is sold by the yard.
这种布按码出售。
B2
at a certain rate
The cars passed by two at a time.
汽车每次两辆通过。
B2
indicating dimensions
The room is 10 feet by 20 feet.
房间是10英尺乘20英尺。
B2
in the operation of multiplication
Four by three equals twelve.
四乘三等于十二。
R
providing additional information
He is known by many names.
他有很多名字。
R
in the name of
I swear by the sacred truth.
我以神圣的真理发誓。
adverb
B1
indicating past
He walked by while I was reading.
我在读书时，他从我身边走过。
R
for future use
She has saved some money by for emergencies.
她存了一些钱以备不时之需。
R
to pay a short visit
I'll just drop by to say hello.
我只是顺便过来打个招呼。
translation
通过, 在...旁边, 被, 在...之前, 由于, 相差, 在...期间, 根据, 经过, 抓住, 按, 乘, 乘以, 顺便说, 以...名义
过去, 备用, 拜访